1
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The general solution of the differential equation

$$ \left(x \sin \frac{y}{x}\right) d y=\left(y \sin \frac{y}{x}-x\right) d x $$

A

$\log x+\tan \frac{y}{x}=C$

B

$\log x+\cos \frac{y}{x}=C$

C

$\log x-\sin \frac{y}{x}=C$

D

$\log x-\cos \frac{y}{x}=C$

2
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Among the following, the physical quantity having the dimensions of Young's modulus is

A

strain

B

gravitational potential

C

surface energy

D

energy density

3
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If a car travels $40 \%$ of the total distance with a speed $v_1$ and the remaining distance with a speed $v_2$, then average speed of the car is

A

$\frac{1}{2} \sqrt{v_1 v_2}$

B

$\frac{v_1+v_2}{2}$

C

$\frac{2 v_1 v_2}{v_1+v_2}$

D

$\frac{5 v_1 v_2}{3 v_1+2 v_2}$

4
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0
If bullets are fired in all possible directions from same point with equal velocity of $10 \mathrm{~ms}^{-1}$ and with an angle of projection $45^{\circ}$, then the area covered by the bullets on the ground is nearly (Acceleration due to gravity $=10 \mathrm{~m} \mathrm{~s}^{-2}$ )
A

$628 \mathrm{~m}^2$

B

$314 \mathrm{~m}^2$

C

$157 \mathrm{~m}^2$

D

$79 \mathrm{~m}^2$